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背景介绍:在南亚发现了domesticated Rice,然后推测南亚是Rice的发源地,然后1985年在中国的长江流域发现了很多 wilder rice的遗址,推测生活在中国的先民有可能更早的驯化了rice。
提出旧理论:rice-farming最早在长江以南出现
提出新理论:认为长江流域的rice-farming可以往前推几百年。最后一段讲,1940年(?)调查的wild-rice其实主要确实是分布在南方,但是长江流域也有1、2种,所以还是有可能farming在北方也开始很早滴。然后我觉得这篇文章需要把握的就是wilder rice和 domesticated rice。搞清楚谁是野生的,谁是驯化的就可以了。
题目1:三个题考得都是逻辑相关,比如加强消弱什么的。
题目2:最能undermine长江流域水稻是水稻祖宗的?
题目3:作者是怎样利用geological graph还是什么graph来证明它的观点的。应该是从文章最后一段找,但我感觉文中没有直说,要自己推理。选项里好几个都很接近。
Since the 1970s, archaeological sites in China's Yangtze River region have yielded evidence of sophisticated rice-farming societies that predate signs of rice cultivation elsewhere in East Asia by a thousand years. Before this evidence was discovered, it had generally been assumed that rice farming began farther to the south. This scenario was based both on the geographic range of wild or free-living rice, which was not thought to extend as far north as the Yangtze, and on archaeological records of very early domestic rice from Southeast Asia and India (now known to be not so old as first reported). Proponents of the southern-origin theory point out that early rice-farming societies along the Yangtze were already highly developed and tha...